Vongmasa, Sawin
Current rating: 1660
Record: 19-11
| Grand Prix Bangkok 2013 (DGM limited) | starting rating: 1596 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 108 | Cheewaphongphan, Passakorn (1518) | Won 2-0 | +161612 |
| 3sealed | 16 | Yacob, Johan Jamal (1629) | Lost 1-2 | -171595 |
| 4sealed | 189 | Chartpanich, Shanon (1519) | Won 2-0 | +161611 |
| 5sealed | 102 | Bin Mohd Nor, Norhafiz (1536) | Won 2-1 | +171628 |
| 6sealed | 89 | Hagiwara, Masakatsu (1413) | Won 2-0 | +141642 |
| 7sealed | 64 | Yang, Ting Hui (1656) | Won 2-1 | +181660 |
| 8sealed | 9 | Fang, Zhengyang (1495) | Won 2-1 | +151675 |
| 9sealed | 17 | Wong, Nicholas Jonathan (1807) | Lost 0-2 | -151660 |
| top | average opponent: 1572record: 6-2 | new rating: 1660 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1588 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 52 | Kasuga, Ryosuke (1582) | Lost 1-2 | -181570 |
| 5sealed | 71 | Saitou, Takanori (1535) | Won 2-1 | +181588 |
| 6sealed | 105 | Nakamura, Hajime (1756) | Won 2-0 | +211609 |
| 7sealed | 37 | Hashimoto, Naoyuki (1551) | Won 2-0 | +171626 |
| 8sealed | 172 | Kobayashi (Okayama), M (1575) | Lost 0-2 | -191607 |
| 9sealed | 254 | Mihara, Makihito (2008) | Lost 1-2 | -111596 |
| top | average opponent: 1668record: 3-3 | new rating: 1596 | ||
| Grand Prix Bangkok 2009 (M10 limited) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 72 | Hanjavanich, Arun (1500) | Won 2-0 | +171569 |
| 2sealed | 22 | Tintivanichwong, Pornsakd (1555) | Won 2-0 | +181587 |
| 3sealed | 64 | Alvarez, Edsel Ronan (1597) | Won 2-0 | +181605 |
| 4sealed | 36 | Han, Hojae (1563) | Lost 0-2 | -191586 |
| 5sealed | 105 | Phanchaicharoen, Viroj (1687) | Won 2-0 | +201606 |
| 6sealed | 26 | Watanabe, Yuuya (1821) | Lost 1-2 | -141592 |
| 7sealed | 89 | Soon, Jia Ming (1501) | Won 2-0 | +161608 |
| 8sealed | 58 | Rattanasangsathieng, Piya (1522) | Lost 1-2 | -201588 |
| top | average opponent: 1593record: 5-3 | new rating: 1588 | ||
| Grand Prix Bangkok 2007 (LRW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 17 | Su, Michael (1483) | Won 2-1 | +181518 |
| 2sealed | 22 | Srimorose, Alongkong (1518) | Won 2-1 | +181536 |
| 3sealed | 21 | Jeong, Hyunwoo (1728) | Lost 0-2 | -151521 |
| 4sealed | 92 | Law, Albertus Hui Chin (1909) | Won 2-0 | +251546 |
| 5sealed | 75 | Tan, Kiat Cheong (1625) | Won 2-0 | +191565 |
| 6sealed | 17 | Su, Xu (1653) | Won 2-1 | +201585 |
| 7sealed | 25 | Pui, Boon Keng (1666) | Lost 0-2 | -171568 |
| 8sealed | 51 | Nakajima, Chikara (1642) | Lost 0-2 | -161552 |
| top | average opponent: 1653record: 5-3 | new rating: 1552 | ||